D defs.my
Entry 1 sense Webster, 1913

Boa constrictor

/bō'-ə kən-strĭk'-tẽr/ · Bo·a con·strict·or · IPA
01 A large and powerful serpent of tropical America, sometimes twenty or thirty feet long. See Illustration in Appendix.
  1. 1.
    A large and powerful serpent of tropical America, sometimes twenty or thirty feet long. See Illustration in Appendix.(Zool.)